
class A:

    def __init__(self,id:int):
        self.id = id+1
        self.name = 'xiaoming'
        self.dirname = 'c:/'


class B(A):
    
    def __init__(self,id=5):
        super().__init__(id)

if __name__ == '__main__':
    b = B()

    print(b.id,b.name,b.dirname)
